title: Molecular approaches to the endosymbiotic hypothesis.
mesh_terms: D001483:Base Sequence; D002736:Chloroplasts; D004247:DNA / Q000032:analysis; D005056:Euglena gracilis / Q000235:genetics; D006824:Hybridization, Genetic; D009711:Nucleotides; D010802:Phylogeny; D012335:RNA, Ribosomal / Q000032:analysis; D013559:Symbiosis
chemical_list: D009711:Nucleotides; D012335:RNA, Ribosomal; D004247:DNA